NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

Twin Securities, Inc.'s Holding History (CIK: 0001351351)

Note: Option positions (PUT/CALL) are excluded.

Q2 2023
Shares 60,220 Value ($000) $3,457 Avg Close — Range —
Q1 2023
Shares 765,243 Value ($000) $40,106 Avg Close — Range —